EP0725739A1 - Schleifkontaktelement sowie verfahren zur verbindung eines elektrischen anschlussleiters mit einem schleifkontaktelement - Google Patents
Schleifkontaktelement sowie verfahren zur verbindung eines elektrischen anschlussleiters mit einem schleifkontaktelementInfo
- Publication number
- EP0725739A1 EP0725739A1 EP94930198A EP94930198A EP0725739A1 EP 0725739 A1 EP0725739 A1 EP 0725739A1 EP 94930198 A EP94930198 A EP 94930198A EP 94930198 A EP94930198 A EP 94930198A EP 0725739 A1 EP0725739 A1 EP 0725739A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connecting conductor
- recess
- longitudinal direction
- contact element
- hose
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 4
- 239000004945 silicone rubber Substances 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 2
- 239000013536 elastomeric material Substances 0.000 claims 2
- 230000002040 relaxant effect Effects 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/20—Details of contact bow
- B60L5/205—Details of contact bow with carbon contact members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
Definitions
- the invention relates to a sliding contact element, in particular a carbon strip for pantographs or the like. of the type specified in the preamble of claim 1.
- the invention further relates to a method for connecting a connecting conductor to such a sliding contact element.
- Slip contact elements in particular contact strips for current collectors, consist of a material that must be electrically conductive on the one hand and the like for the interaction with the contact wire on the other hand. must have the necessary contact and abrasion properties.
- Common materials for contact strips are coal or graphite, mixtures of coal and metal, in particular copper, and also sintered metal for certain applications.
- the electrical current drawn off at the contact point with the contact wire must extend over the length of the contact strip to a connection terminal or the like provided at the end of the contact strip. to get redirected.
- the transmission of high current densities through the material of the contact strip itself can be associated with high losses and a high thermal load on the contact strip. Therefore the The contact strip generally has one or more electrical connecting conductors in the form of wires, strands or the like. provided, which extend over the length of the contact strip and are arranged on the underside of the contact strip or in a recess within the contact strip.
- the connecting conductor can be pressed with the contact strip, it can be glued to it by an electrically conductive adhesive layer, or a copper layer or the like can be used. be applied galvanically to the contact strip in which the connecting conductor is embedded or with which the connecting conductor is soldered. All of these known fastening and connection methods make relatively complex processing steps necessary in the manufacture of the pantograph.
- the invention is based on the object of specifying a sliding contact element to which an electrical connecting conductor is fastened in a particularly simple manner, with reliable, large-area contacting which reliably withstands the operating stresses being ensured between the connecting conductor and the material of the sliding contact element is steady.
- the connecting conductor is pressed with elastic pretension against the wall of the recess accommodating it, thereby ensuring reliable contact, which is also insensitive to operational vibrations.
- the manufacture of the sliding contact element is particularly simple since it only the insertion of the connecting conductor or the elastomeric element carrying it under pretension into the recess is required, but no additional processing steps such as gluing, soldering, electroplating or pressing are required.
- FIG. 1 shows a cross section through the contact strip of a pantograph for electric rail vehicles according to a first embodiment.
- Fig. 2 shows a longitudinal section through the contact strip according to a second embodiment.
- the actual contact strip 3 is fastened on a carrier 1, which can consist of metal, such as aluminum, or also of plastic, by means of an adhesive layer 5.
- the contact strip 3 usually consists of coal or a coal-copper mixture.
- An elongated elastomeric element 7 is arranged in a semicircular groove on the underside of the contact strip 3 and is surrounded on the outside by an electrical conductor 9, preferably in the form of a braid.
- an electrical conductor 9 preferably in the form of a braid.
- commercially available shielding hoses can be made of metal braid.
- the elastomeric element 7 can be tubular and must consist of a material which is resistant to temperature and aging and does not change its elastomeric properties even under prolonged operating stress. Hoses made of silicone rubber have proven to be particularly suitable.
- the cross section of the elastomeric element 7 is dimensioned such that the transverse dimensions of the elastomeric element, including the connecting conductor 9 mounted thereon, are larger in the relaxed state than the transverse dimensions of the receiving channel formed by the recess in the contact strip 3 and the top of the carrier 1. The restoring force of the elastomeric element therefore presses the connecting conductor, ie the metal braid against the wall of the recess in the contact strip 3 and against the surface of the carrier 1.
- the elastomeric element 7 with the connecting conductor 9 attached to it is stretched in the longitudinal direction, as a result of which it contracts in the transverse direction.
- the elastomeric element 7 is inserted with the connecting conductor 9 into the recess of the grinding body 3 and this is then glued to the carrier 1.
- the application of the longitudinal tensile force to the elastomeric element 7 is terminated, as a result of which its elastic restoring force contracts in the longitudinal direction and expands in the transverse direction in order to generate the contact force for the connecting conductor 9.
- a helically coiled wire 13 is drawn into a groove-shaped recess 11 of the contact strip 3 glued to the carrier 1 as a connecting conductor.
- the diameter of the wire helix 13 in the relaxed state is oversized compared to the transverse dimensions of the recess 11.
- the wire helix 13 is stretched in the longitudinal direction, drawn into the recess 11 in this state and then relaxed, so that it contracts in the longitudinal direction and its windings under tension against one another create the wall of the recess 11.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Wire Bonding (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4336705A DE4336705C2 (de) | 1993-10-27 | 1993-10-27 | Schleifkontaktelement sowie Verfahren zur Verbindung eines elektrischen Anschlußleiters mit einem Schleifkontaktelement |
| DE4336705 | 1993-10-27 | ||
| PCT/EP1994/003450 WO1995011817A1 (de) | 1993-10-27 | 1994-10-20 | Schleifkontaktelement sowie verfahren zur verbindung eines elektrischen anschlussleiters mit einem schleifkontaktelement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0725739A1 true EP0725739A1 (de) | 1996-08-14 |
| EP0725739B1 EP0725739B1 (de) | 1998-12-30 |
Family
ID=6501175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94930198A Expired - Lifetime EP0725739B1 (de) | 1993-10-27 | 1994-10-20 | Schleifkontaktelement sowie verfahren zur verbindung eines elektrischen anschlussleiters mit einem schleifkontaktelement |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0725739B1 (de) |
| AT (1) | ATE175157T1 (de) |
| DE (2) | DE4336705C2 (de) |
| ES (1) | ES2126789T3 (de) |
| WO (1) | WO1995011817A1 (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19529169A1 (de) * | 1995-08-08 | 1997-02-13 | Hoffmann Elektrokohle | Schleifstück für Stromabnehmer |
| US5843172A (en) * | 1997-04-15 | 1998-12-01 | Advanced Cardiovascular Systems, Inc. | Porous medicated stent |
| US10028851B2 (en) | 1997-04-15 | 2018-07-24 | Advanced Cardiovascular Systems, Inc. | Coatings for controlling erosion of a substrate of an implantable medical device |
| US6240616B1 (en) | 1997-04-15 | 2001-06-05 | Advanced Cardiovascular Systems, Inc. | Method of manufacturing a medicated porous metal prosthesis |
| US6776792B1 (en) | 1997-04-24 | 2004-08-17 | Advanced Cardiovascular Systems Inc. | Coated endovascular stent |
| US5897911A (en) * | 1997-08-11 | 1999-04-27 | Advanced Cardiovascular Systems, Inc. | Polymer-coated stent structure |
| US6398803B1 (en) | 1999-02-02 | 2002-06-04 | Impra, Inc., A Subsidiary Of C.R. Bard, Inc. | Partial encapsulation of stents |
| US6602287B1 (en) | 1999-12-08 | 2003-08-05 | Advanced Cardiovascular Systems, Inc. | Stent with anti-thrombogenic coating |
| DE10002433A1 (de) * | 2000-01-21 | 2001-07-26 | Sgl Carbon Ag | Schleifelemente für Stromabnehmer |
| US6805898B1 (en) | 2000-09-28 | 2004-10-19 | Advanced Cardiovascular Systems, Inc. | Surface features of an implantable medical device |
| US6783793B1 (en) | 2000-10-26 | 2004-08-31 | Advanced Cardiovascular Systems, Inc. | Selective coating of medical devices |
| US7201940B1 (en) | 2001-06-12 | 2007-04-10 | Advanced Cardiovascular Systems, Inc. | Method and apparatus for thermal spray processing of medical devices |
| US6565659B1 (en) | 2001-06-28 | 2003-05-20 | Advanced Cardiovascular Systems, Inc. | Stent mounting assembly and a method of using the same to coat a stent |
| US20050118344A1 (en) | 2003-12-01 | 2005-06-02 | Pacetti Stephen D. | Temperature controlled crimping |
| US7198675B2 (en) | 2003-09-30 | 2007-04-03 | Advanced Cardiovascular Systems | Stent mandrel fixture and method for selectively coating surfaces of a stent |
| US7563324B1 (en) | 2003-12-29 | 2009-07-21 | Advanced Cardiovascular Systems Inc. | System and method for coating an implantable medical device |
| US7553377B1 (en) | 2004-04-27 | 2009-06-30 | Advanced Cardiovascular Systems, Inc. | Apparatus and method for electrostatic coating of an abluminal stent surface |
| US7632307B2 (en) | 2004-12-16 | 2009-12-15 | Advanced Cardiovascular Systems, Inc. | Abluminal, multilayer coating constructs for drug-delivery stents |
| FR2966397A1 (fr) * | 2010-10-22 | 2012-04-27 | Alstom Transport Sa | Dispositif de recharge en energie pour un equipement de stockage d'energie embarque a bord d'un vehicule |
| CN102101439B (zh) * | 2009-12-16 | 2016-03-09 | 阿尔斯通运输科技公司 | 用于车载电力存储设备的再充电装置 |
| FR2953776B1 (fr) * | 2009-12-16 | 2012-01-20 | Alstom Transport Sa | Dispositif de recharge en energie pour un equipement de stockage d'energie embarque a bord d'un vehicule |
| SE544471C2 (en) * | 2020-06-01 | 2022-06-07 | Elonroad Ab | A contact member for a power collector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE941548C (de) * | 1944-04-09 | 1956-04-12 | Blaupunkt Werke G M B H Zweign | Elektrisch leitende, elastische Einlage |
| DE1257825B (de) * | 1957-07-18 | 1968-01-04 | Karl Wanisch Fa Dipl Ing | Kohleschleifbuegel |
| US3969572A (en) * | 1975-03-05 | 1976-07-13 | Ncr Corporation | Electromagnetic interference shielding gasket for light-weight equipment enclosures |
| DE8716985U1 (de) * | 1987-12-24 | 1988-02-18 | Schunk Kohlenstofftechnik GmbH, 6301 Heuchelheim | Kohleschleifstück |
| DE3821255A1 (de) * | 1988-06-23 | 1989-12-28 | Hoffmann Elektrokohle | Schleifstueck fuer stromabnehmer sowie verfahren zu seiner herstellung |
-
1993
- 1993-10-27 DE DE4336705A patent/DE4336705C2/de not_active Expired - Lifetime
-
1994
- 1994-10-20 WO PCT/EP1994/003450 patent/WO1995011817A1/de not_active Ceased
- 1994-10-20 EP EP94930198A patent/EP0725739B1/de not_active Expired - Lifetime
- 1994-10-20 DE DE59407569T patent/DE59407569D1/de not_active Expired - Fee Related
- 1994-10-20 AT AT94930198T patent/ATE175157T1/de not_active IP Right Cessation
- 1994-10-20 ES ES94930198T patent/ES2126789T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9511817A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4336705C2 (de) | 1996-11-28 |
| DE4336705A1 (de) | 1995-05-04 |
| ATE175157T1 (de) | 1999-01-15 |
| EP0725739B1 (de) | 1998-12-30 |
| ES2126789T3 (es) | 1999-04-01 |
| WO1995011817A1 (de) | 1995-05-04 |
| DE59407569D1 (de) | 1999-02-11 |
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